module.exports = function (db, callback) {
  // 用户模型
  db.define("GoodPicModel", {
    pics_id: { type: 'serial', key: true },
    goods_id: Number,
    pics_big: String,
    pics_mid: String,
    pics_sma: String
  }, {
    table: "sp_goods_pics"
  });
  return callback();
}